Cooler



FIG. 1 is a photographic front, left perspective view of a cooler showing our new design;

FIG. 2 is a photographic front view thereof;

FIG. 3 is a photographic rear view thereof;

FIG. 4 is a photographic left side view thereof;

FIG. 5 is a photographic right side view thereof;

FIG. 6 is a photographic top view thereof; and,

FIG. 7 is a photographic bottom view thereof. 

CLAIM The ornamental design for a cooler, as shown and described. 